Coherent light generators – Particular component circuitry – Optical pumping
Reexamination Certificate
2006-02-07
2006-02-07
Lee, Wilson (Department: 2821)
Coherent light generators
Particular component circuitry
Optical pumping
C372S020000, C372S028000, C372S070000, C372S071000, C372S075000
Reexamination Certificate
active
06996144
ABSTRACT:
Apparatus and method for stabilizing the wavelength of a tunable laser to a target wavelength, by correspondingly adjusting the electrooptical performance of the laser's gain medium, whereby to eliminate the frequency shift due to vibrational factors. The electrooptical performance of the laser's gain medium is adjusted, in the case of an electrically pumped laser, by changing the injection current used to pump the laser; and the electrical performance of the laser's gain medium is adjusted, in the case of an optically pumped laser, by changing the intensity of the pump laser used to energize the laser. The system is implemented with a feedback mechanism.
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Al-Nazer Leith
Gorecki, Esq. John C.
Lee Wilson
Nortel Networks Ltd.
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